- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 5/35 - Heterocyclic compounds having nitrogen in the ring having also oxygen in the ring
Patent holdings for IPC class C08K 5/35
Total number of patents in this class: 39
10-year publication summary
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0
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5
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3
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2
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2
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0
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3
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1
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| FUJIFILM Corporation | 30628 |
6 |
| Huntsman Advanced Materials Americas LLC | 137 |
3 |
| Henkel Corporation | 1200 |
3 |
| Henkel AG & Co. KGaA | 10743 |
2 |
| Kureha Corporation | 1069 |
2 |
| Evonik Operations GmbH | 4395 |
2 |
| Merck Patent GmbH | 5739 |
1 |
| Hitachi Chemical Company, Ltd. | 2234 |
1 |
| BASF AG | 120 |
1 |
| Konica Minolta Holdings, Inc. | 773 |
1 |
| Mitsubishi Chemical Corporation | 4738 |
1 |
| Kaneka Corporation | 4745 |
1 |
| Henkel IP & Holding GmbH | 557 |
1 |
| Huntsman International LLC | 689 |
1 |
| Namics Corporation | 491 |
1 |
| Polyplastics Co., Ltd. | 597 |
1 |
| Rhodia Chimie | 18 |
1 |
| Shengyi Technology Co., Ltd. | 268 |
1 |
| Sumitomo Bakelite Co., Ltd. | 1542 |
1 |
| Sumitomo Seika Chemicals Co., Ltd. | 1044 |
1 |
| Other owners | 7 |